北美大停电 ● 14:14 Alarm logger fails and operators are not aware No further alarms to FE operators ●14:20 Several remote consoles fail ● 14:41 EMS server hosting alarm processor and other functions fails to backup ●14:54 Backup server fails EMS continues to function but with very degraded performance (59 second refresh) FE system data passed normally to others:MISO and AEP AGC function degraded and strip charts flat-lined ● 15:08 IT warm reboot of EMS appears to work but alarm process not tested and still in failed condition ● No contingency analysis of events during the day including loss of East Lake 5 and subsequent line trips
北美大停电
百四 Cause 1 Cause 2 Inadequate Inadequate System Situational Understanding Awareness Cause 3 Cause 4 Inadequate Inadequate Tree RC Diagnostic Trimming Support
大停电原因
北美历史上的大停电 *11.9,1965 Northeast 7.13,1977 New York City 12.22.1982 -West Coast 7.2-3,1996 West Coast 8.10,1996 -West Coast 6.25,1998-MAPP
北美历史上的大停电 11. 9, 1965 – Northeast 7.13, 1977 – New York City 12.22, 1982 – West Coast 7.2-3, 1996 – West Coast 8.10, 1996 – West Coast 6.25, 1998 – MAPP
我国历史上的大停电 1996北京大面积停电 1985大连大面积停电 1980湖北黄石大面积停电 冬1973上海、常州、新安江发生大面积停电
我国历史上的大停电 1996 北京大面积停电 1985 大连大面积停电 1980 湖北黄石大面积停电 1973上海、常州、新安江发生大面积停电
电力系统运行优态 N-1 正常运行状态一绿色 (满足负荷要求,有一定的安全储备) 储备系数减小 或干扰概率增大 恢复状态黄色 警戒状态黄色 (重新并列D (预防性控制) 由于外界千扰 使电压、频率、 潮流越限 系统崩渍一黑色 解列 (切机、切负荷断开 紧急状态女红色 线路》 紧急控制》
电力系统运行状态 正常运行状态-绿色 (满足负荷要求,有一定的安全储备) 警戒状态-黄色 (预防性控制) 紧急状态-红色 (紧急控制) 系统崩溃-黑色 (切机、切负荷断开 线路) 恢复状态-黄色 (重新并列) 解列 储备系数减小 或干扰概率增大 由于外界干扰 使电压、频率、 潮流越限 N-1